CN105551423A - Grid integrated driving circuit, array substrate and repair method of grid integrated driving circuit - Google Patents
Grid integrated driving circuit, array substrate and repair method of grid integrated driving circuit Download PDFInfo
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- CN105551423A CN105551423A CN201610124267.0A CN201610124267A CN105551423A CN 105551423 A CN105551423 A CN 105551423A CN 201610124267 A CN201610124267 A CN 201610124267A CN 105551423 A CN105551423 A CN 105551423A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/2092—Details of a display terminals using a flat panel, the details relating to the control arrangement of the display terminal and to the interfaces thereto
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2310/00—Command of the display device
- G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
- G09G2310/0202—Addressing of scan or signal lines
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2310/00—Command of the display device
- G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
- G09G2310/0264—Details of driving circuits
- G09G2310/0267—Details of drivers for scan electrodes, other than drivers for liquid crystal, plasma or OLED displays
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2310/00—Command of the display device
- G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
- G09G2310/0264—Details of driving circuits
- G09G2310/0286—Details of a shift registers arranged for use in a driving circuit
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
- G09G2330/08—Fault-tolerant or redundant circuits, or circuits in which repair of defects is prepared
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Liquid Crystal Display Device Control (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Shift Register Type Memory (AREA)
Abstract
The invention discloses a grid integrated driving circuit, an array substrate and a repair method thereof. According to the repair method, a repair signal line, a first reference signal line and repair units are arranged, wherein the repair signal line and the first reference signal line extend in the arrangement direction of all cascaded shifting registers, and the repair units are in one-to-one correspondence with all the cascaded shifting registers. After the shifting register with a problem in the grid integrated driving circuit is determined, it is required to determine that a signal control end of the repair unit corresponding to the shifting register with the problem and the repair signal line are connected at the overlapping position, a signal input end of the repair unit and the first reference signal line are connected at the overlapping position, a signal output end of the repair unit and a grid line are connected at the overlapping position, and a first reference signal of the first reference signal line substitutes an output signal of the shifting register to be loaded to the grid line to complete repair. Due to the fact that a voltage signal actually output to the grid line is provided by the first reference signal supplied by the first reference signal line, compared with the method that the voltage signal is output to the grid line by a signal supplied by the repair signal line, attenuation of the voltage signal actually output to the grid line is small.
Description
Technical field
The present invention relates to display technique field, particularly relate to a kind of grid integrated drive electronics, array base palte and restorative procedure thereof.
Background technology
Current flat-panel monitor is widelyd popularize because of its ultra-thin energy-saving, grid integrated drive electronics (the GOA be made up of the shift register of multiple cascade is adopted in most flat-panel monitors, GateDriveonArray), raster data model IC can be saved like this, can also reduce by one production process, therefore, not only reduce the cost of manufacture of flat-panel monitor, also shorten fabrication cycle to a certain extent.Based on this, GOA was widely used in flat pannel display manufacture in recent years.
Adopt the product of GOA, because a shift register is made up of multiple switching transistor (TFT), therefore many TFT can be added on array base palte, and the size of the TFT of part is larger, connection in shift register is comparatively complicated, therefore, go wrong than being easier to.Due to the characteristic of the work of GOA, one of them shift register goes wrong, and its entire row of pixels connected will be caused all to occur, and display is abnormal, cause scrapping of whole display panel, therefore, in order to ensure product yield, repairing for the GOA on array base palte is important step.
The repair signal line Repair with each bar grid line Gate with overlapping region generally can be increased, as shown in Fig. 1 a and Fig. 2 a in current GOA structure.When GOAn+1 goes wrong cisco unity malfunction, need repair it, Fig. 1 b and Fig. 2 b is for repairing rear situation, in figure, "×" represents and disconnects, " " represents that conducting connects, the signal output part Output that repair mode shown in Fig. 1 b is off GOAn+1 respectively with the connection of the signal input part Input of reset signal end Reset and GOAn+2 of Gaten, GOAn, the connection of conducting repair signal line Repair and Gaten; The signal output part Output that repair mode shown in Fig. 2 b is off GOAn+1 respectively with the connection of the signal input part Input of reset signal end Reset and GOAn+2 of Gaten, GOAn, the connection of the source electrode of conducting repair signal line Repair and restoration switch transistor Tn+1.
Fig. 3 a is preprosthetic sequential chart, and Fig. 3 b is the sequential chart after repairing.Because in the repair mode of above-mentioned GOA, repair signal line Repair runs through whole GOA, therefore, all can have overlapping with the signal output part Output of all shift registers, parasitic circuit can be produced at overlapping place, and above-mentioned repair mode is the signal adopting repair signal line Repair to replace the GOA output of generation problem, like this, the delay (load) of entire row of pixels on the grid line that repair signal line Repair connects and the load of repair signal line repair and the overlapping generation of each signal output part Output, the deep fades of signal transmission on repair signal line repair can be caused, affect final repairing effect.
Summary of the invention
In view of this, embodiments provide a kind of grid integrated drive electronics, array base palte and restorative procedure thereof, the repair signal signal attenuation in order to solve existing grid integrated drive electronics seriously affects the problem of repairing effect.
Therefore, embodiments provide a kind of grid integrated drive electronics, comprise multiple shift registers of cascade; Wherein, the signal output part of described shift register at different levels is connected with grid line one to one; Except shift register described in chopped-off head and final stage, the signal output part of all the other described shift registers at different levels is connected with the signal input part of shift register described in next stage with the reset signal end of shift register described in upper level respectively; Also comprise:
The repair signal line extended along the orientation of each described shift register of cascade and the first reference signal line;
Unit is repaired one to one with described shift register at different levels; Wherein, signal input part and described first reference signal line of each described reparation unit are mutually overlapping, and the described grid line that signal output part is corresponding with described shift register is mutually overlapping, signal control end and described repair signal line mutually overlapping; After the shift register gone wrong is repaired, the described reparation unit corresponding with the described shift register gone wrong, for described signal control end and described repair signal line the conducting of overlapping place, described signal input part and described first reference signal line in the conducting of overlapping place and described signal output part and described grid line after the conducting of overlapping place, under the control of described repair signal line, the first reference signal that described first reference signal line provides is loaded into described grid line.
In a kind of possible implementation, in the grid integrated drive electronics that the embodiment of the present invention provides, each described reparation unit, comprising: switching transistor; Wherein,
The grid of described switching transistor is described signal control end, and source electrode is described signal input part, drains as described signal output part.
In a kind of possible implementation, in the grid integrated drive electronics that the embodiment of the present invention provides, before the shift register gone wrong is repaired, meet one of following condition or combination:
The signal input part of each described reparation unit and described first reference signal line are at overlapping place mutually insulated;
The signal output part of each described reparation unit and described grid line are at overlapping place mutually insulated;
The signal control end of each described reparation unit and described repair signal line are at overlapping place mutually insulated.
In a kind of possible implementation, in the grid integrated drive electronics that the embodiment of the present invention provides, also comprise: the second reference signal line that the orientation along each described shift register of cascade extends;
Before repairing the shift register gone wrong, the signal input part of each described reparation unit and described first reference signal line are in the conducting of overlapping place; The signal output part of each described reparation unit and described grid line are in the conducting of overlapping place; The signal control end of each described reparation unit and described second reference signal line conducting, and with described repair signal line at overlapping place mutually insulated;
After repairing the shift register gone wrong, signal control end and described second reference signal line of the described reparation unit corresponding with the described shift register gone wrong disconnect, and with described repair signal line in the conducting of overlapping place.
In a kind of possible implementation, in the grid integrated drive electronics that the embodiment of the present invention provides, described repair signal line and each described reparation unit are separately positioned on the side of the signal output part of each described shift register.
In a kind of possible implementation, in the grid integrated drive electronics that the embodiment of the present invention provides, described repair signal line is one, and all exists overlapping with grid line described in each bar;
Described repair signal line is many, and repair signal line described in each bar is only with part, and described grid line exists overlapping.
In a kind of possible implementation, in the grid integrated drive electronics that the embodiment of the present invention provides, described first reference signal line is arranged on the side of the signal output part of each described shift register, and with the signal input part except described reparation unit except other signal wires or port do not exist overlapping.
A kind of array base palte that the embodiment of the present invention provides, comprise: the above-mentioned grid integrated drive electronics that at least one group of embodiment of the present invention being arranged on non-display area provides, and be arranged on viewing area with the signal output part grid line one to one of shift register at different levels in described grid integrated drive electronics.
The restorative procedure of a kind of above-mentioned array base palte that the embodiment of the present invention provides, comprising:
Determine the shift register gone wrong in the grid integrated drive electronics of array base palte;
By the signal output part of the described shift register gone wrong respectively with the connection of corresponding grid line, with the connection of the reset signal end of upper level shift register and cut off with the connection of the signal input part of next stage shift register;
Determine the signal control end of the reparation unit corresponding with the described shift register gone wrong and repair signal line the conducting of overlapping place, signal input part and the first reference signal line in the conducting of overlapping place and signal output part and grid line in the conducting of overlapping place.
In a kind of possible implementation, in the said method that the embodiment of the present invention provides, also comprise: determine that the signal control end of the reparation unit corresponding with the described shift register gone wrong and the second reference signal line disconnect.
The beneficial effect of the embodiment of the present invention comprises:
A kind of grid integrated drive electronics, array base palte and restorative procedure thereof that the embodiment of the present invention provides, in the grid integrated drive electronics that the multiple shift registers by cascade form, the repair signal line and the first reference signal line that extend along the orientation of each shift register of cascade are set, and repair unit one to one with shift register at different levels; Wherein, each repair unit signal input part and the first reference signal line mutually overlapping, the grid line that signal output part is corresponding with shift register is mutually overlapping, signal control end and repair signal line mutually overlapping.After the shift register gone wrong in the grid integrated drive electronics determining array base palte, determine the signal control end of the reparation unit that the shift register that goes wrong is corresponding and repair signal line the conducting of overlapping place, signal input part and the first reference signal line in the conducting of overlapping place and signal output part and grid line after the conducting of overlapping place, the first reference signal of the first reference signal line replaces the output signal of shift register to be loaded into grid line completing reparation.Because repair signal line only have impact at the parasitic circuit that the signal output part with each shift register produces at overlapping place the signal that repair signal line loads for the signal control end repairing unit, and the actual voltage signal outputted on grid line is the first reference signal provided by the first reference signal line provides, this first reference signal is generally direct current signal, therefore, grid line is outputted to compared to the signal provided by repair signal line, decay for the actual voltage signal outputted on grid line is relatively little, and then repairing effect is better.
Accompanying drawing explanation
Fig. 1 a is that grid integrated drive electronics of the prior art is at one of preprosthetic structural representation;
Fig. 1 b is the grid integrated drive electronics structural representation after repair shown in Fig. 1 a;
Fig. 2 a is that grid integrated drive electronics of the prior art is at preprosthetic structural representation two;
Fig. 2 b is the grid integrated drive electronics structural representation after repair shown in Fig. 2 a;
Fig. 3 a is the sequential chart at preprosthetic grid integrated drive electronics shown in Fig. 1 a and Fig. 2 a;
Fig. 3 b is the sequential chart of the grid integrated drive electronics after repair shown in Fig. 1 b and Fig. 2 b;
The grid integrated drive electronics that Fig. 4 a provides for the embodiment of the present invention is at one of preprosthetic structural representation;
Fig. 4 b is the grid integrated drive electronics structural representation after repair shown in Fig. 4 a;
The grid integrated drive electronics that Fig. 5 a provides for the embodiment of the present invention is at preprosthetic structural representation two;
Fig. 5 b is the grid integrated drive electronics structural representation after repair shown in Fig. 5 a;
The grid integrated drive electronics that Fig. 6 provides for the embodiment of the present invention is at preprosthetic structural representation three.
Embodiment
Below in conjunction with accompanying drawing, the embodiment of grid integrated drive electronics, array base palte and restorative procedure thereof that the embodiment of the present invention provides is described in detail.
Embodiments provide a kind of grid integrated drive electronics, as shown in Fig. 4 a, Fig. 5 a and Fig. 6, comprise multiple shift register GOA of cascade; Wherein, the signal output part Output of shift register GOA at different levels is connected with grid line Gate one to one; Except chopped-off head and final stage shift register GOA, the signal output part Output of all the other shift register GOA at different levels is connected with the signal input part Input of next stage shift register GOA with the reset signal end Reset of upper level shift register GOA respectively; As shown in Fig. 4 a, Fig. 5 a and Fig. 6, also comprise:
The repair signal line Repair extended along the orientation of each shift register GOA of cascade and the first reference signal line VDD; Namely the orientation of each in the drawings shift register GOA is vertical, and now, grid line Gate generally extends along horizontal direction, and therefore, repair signal line Repair and the first reference signal line VDD is that vertical direction extends;
Unit 01 is repaired one to one with shift register GOA at different levels; Wherein, each repair unit 01 signal input part and the first reference signal line VDD mutually overlapping, the grid line Gate that signal output part is corresponding with shift register GOA is mutually overlapping, signal control end and repair signal line Repair mutually overlapping; After the shift register GOA gone wrong is repaired, as shown in Fig. 4 b and Fig. 5 b, the reparation unit 01 corresponding with the shift register GOA gone wrong, for signal control end and repair signal line Repair the conducting of overlapping place, signal input part and the first reference signal line VDD in the conducting of overlapping place and signal output part and grid line Gate after the conducting of overlapping place, under the control of repair signal line Repair, the first reference signal that the first reference signal line VDD provides is loaded into grid line Gate.
It should be noted that Fig. 4 a, Fig. 5 a and Fig. 6 are respectively preprosthetic schematic diagram; Fig. 4 b and Fig. 5 b is situation after repairing, and in figure, "×" represents and disconnects, and " " represents that conducting connects, and, be schematically illustrate for the shift register GOAn+1 cisco unity malfunction that goes wrong in Fig. 4 b and Fig. 5 b.
In the above-mentioned grid integrated drive electronics that the embodiment of the present invention provides, because repair signal line Repair only have impact at the parasitic circuit that the signal output part with each shift register GOA produces at overlapping place the signal that repair signal line GOA loads for the signal control end repairing unit 01, and the actual voltage signal outputted on grid line Gate is the first reference signal provided by the first reference signal line VDD provides, this first reference signal is generally direct current signal, therefore, the signal provided by repair signal line Repair in prior art as shown in Fig. 1 b and Fig. 2 b outputs to the structure of grid line Gate, in the above-mentioned grid integrated drive electronics that the embodiment of the present invention provides, the decay of the actual voltage signal outputted on grid line Gate is relatively little, and then repairing effect is better.
In the specific implementation, the embodiment of the present invention provides each reparation unit in above-mentioned shift register, as shown in fig. 4 a, comprising: switching transistor M; Wherein, the grid of switching transistor M is signal control end, and source electrode is signal input part, drains as signal output part.
It should be noted that the switching transistor mentioned in the above embodiment of the present invention can be thin film transistor (TFT) (TFT, ThinFilmTransistor), also can be metal oxide semiconductor field effect tube (MOS, MetalOxideSemiconductor), do not limit at this.In concrete enforcement, source electrode and the difference drained according to transistor types and input signal of these switching transistors, its function can be exchanged, and does not do concrete differentiation at this.
And, switching transistor in the above-mentioned grid integrated drive electronics that the embodiment of the present invention provides generally all adopts the transistor of identical material with the switching transistor in shift register, in the specific implementation, in order to simplify manufacture craft, the switching transistor that composition repairs unit can adopt P-type crystal pipe or N-type transistor.
In the specific implementation, in the above-mentioned grid integrated drive electronics that the embodiment of the present invention provides, in order to ensure when each shift register normally works, reparation unit 01 can not affect the voltage on grid line Gate, as shown in Fig. 4 a and Fig. 6, before the shift register GOA gone wrong is repaired, one of following condition or combination can be met:
The signal input part of a, each reparation unit 01 and the first reference signal line VDD are at overlapping place mutually insulated;
The signal output part of b, each reparation unit 01 and grid line Gate are at overlapping place mutually insulated;
The signal control end of c, each reparation unit 01 and repair signal line Repair are at overlapping place mutually insulated.
Wherein, Fig. 4 a shows annexation when only satisfying condition c, just needs as shown in Figure 4 b to repair the signal control end of unit 01 and repair signal line Repair in the conducting of overlapping place when repairing; Fig. 6 shows the situation of a and c that simultaneously satisfy condition, just need when repairing by repair unit 01 signal control end with repair signal line Repair in the conducting of overlapping place, simultaneously by the signal input part of reparation unit 01 and the first reference signal line VDD in the conducting of overlapping place.
Further, in the above-mentioned grid integrated drive electronics that the embodiment of the present invention provides, as shown in figure 5 a and 5b, can also comprise: the second reference signal line VSS that the orientation along each shift register GOA of cascade extends;
As shown in Figure 5 a, before repairing the shift register GOA gone wrong, the signal input part of each reparation unit 01 and the first reference signal line VDD are in the conducting of overlapping place; The signal output part of each reparation unit 01 and grid line Gate are in the conducting of overlapping place; The signal control end of each reparation unit 01 and the second reference signal line VSS conducting, and with repair signal line Repair at overlapping place mutually insulated; When to guarantee not need to carry out repairing, repair unit 01 and fully close, in order to avoid the voltage on the grid line Gate of impact closedown, thus affect picture display;
As shown in Figure 5 b, after the shift register GOA gone wrong is repaired, signal control end and the second reference signal line VSS of the reparation unit 01 corresponding with the shift register GOA gone wrong disconnect, and with repair signal line Repair in the conducting of overlapping place.
In the specific implementation, wiring conveniently in the above-mentioned grid integrated drive electronics that provides of the embodiment of the present invention, as shown in Fig. 4 a, Fig. 5 a and Fig. 6, repair signal line Repair and each reparation unit 01 are generally separately positioned on the side of the signal output part Output of each shift register GOA.
Further, the repair signal line Repair in the above-mentioned grid integrated drive electronics that the embodiment of the present invention provides can arrange one, also can arrange many; When arranging a repair signal line Repair, this repair signal line Repair all can exist overlapping with each bar grid line Gate, although now wiring is comparatively simple, only can repair the exception of place's shift register; When arranging many repair signal line Repair, each bar repair signal line Repair only exists overlapping with part grid line Gate, now, although wiring is comparatively complicated, can repair the exception of many places shift register.
Preferably, in the above-mentioned grid integrated drive electronics that the embodiment of the present invention provides, as shown in Figure 6, first reference signal line VDD is arranged on the side of the signal output part Output of each shift register GOA, and do not exist overlapping with other signal wires except repairing the signal input part of unit 01 or port, the first reference signal line VDD and other signal wires or port can be avoided so as much as possible to produce stray capacitance at overlapping place, and then produce the decay of the first reference signal, thus affect repairing effect.
And, as shown in Fig. 4 a and Fig. 5 a, first reference signal line VDD also can be connected with the first reference signal end VDD of each shift register GOA, or as shown in Figure 6, a first reference signal line VDD providing the first reference signal to the first reference signal end VDD with each shift register GOA is set separately, does not limit at this.
Based on same inventive concept, the embodiment of the present invention additionally provides a kind of array base palte, comprise: the above-mentioned grid integrated drive electronics that at least one group of embodiment of the present invention being arranged on non-display area provides, and be arranged on viewing area with the signal output part grid line one to one of shift register at different levels in grid integrated drive electronics.The principle of dealing with problems due to this array base palte is similar to aforementioned a kind of grid integrated drive electronics, and therefore the enforcement of this array base palte see the enforcement of grid integrated drive electronics, can repeat part and repeat no more.
Based on same inventive concept, the embodiment of the present invention additionally provides a kind of restorative procedure of array base palte, is realized by following manner:
First, the shift register gone wrong in the grid integrated drive electronics of array base palte is determined;
Afterwards, as shown in Fig. 4 b and Fig. 5 b, by the signal output part of the shift register gone wrong respectively with the connection of corresponding grid line, with the connection of the reset signal end of upper level shift register and cut off with the connection of the signal input part of next stage shift register;
Then, as shown in Fig. 4 b and Fig. 5 b, determine the signal control end of the reparation unit corresponding with the shift register gone wrong and repair signal line the conducting of overlapping place, signal input part and the first reference signal line in the conducting of overlapping place and signal output part and grid line in the conducting of overlapping place; In the specific implementation, before reparation, if be in conducting state at above-mentioned overlapping place, without the need to operating, if non-conducting, needing to weld at overlapping place, the mode of laser bonding specifically can be adopted to realize.
And, in the said method that the embodiment of the present invention provides, as shown in Figure 5 b, if when there is the second reference signal line VSS be connected with the signal control end of each reparation unit, can also comprise: determine that the signal control end of the reparation unit corresponding with the shift register gone wrong and the second reference signal line disconnect.
Above-mentioned grid integrated drive electronics, array base palte and restorative procedure thereof that the embodiment of the present invention provides, in the grid integrated drive electronics that the multiple shift registers by cascade form, the repair signal line and the first reference signal line that extend along the orientation of each shift register of cascade are set, and repair unit one to one with shift register at different levels; Wherein, each repair unit signal input part and the first reference signal line mutually overlapping, the grid line that signal output part is corresponding with shift register is mutually overlapping, signal control end and repair signal line mutually overlapping.After the shift register gone wrong in the grid integrated drive electronics determining array base palte, determine the signal control end of the reparation unit that the shift register that goes wrong is corresponding and repair signal line the conducting of overlapping place, signal input part and the first reference signal line in the conducting of overlapping place and signal output part and grid line after the conducting of overlapping place, the first reference signal of the first reference signal line replaces the output signal of shift register to be loaded into grid line completing reparation.Because repair signal line only have impact at the parasitic circuit that the signal output part with each shift register produces at overlapping place the signal that repair signal line loads for the signal control end repairing unit, and the actual voltage signal outputted on grid line is the first reference signal provided by the first reference signal line provides, this first reference signal is generally direct current signal, therefore, grid line is outputted to compared to the signal provided by repair signal line, decay for the actual voltage signal outputted on grid line is relatively little, and then repairing effect is better.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (10)
1. a grid integrated drive electronics, comprises multiple shift registers of cascade; Wherein, the signal output part of described shift register at different levels is connected with grid line one to one; Except shift register described in chopped-off head and final stage, the signal output part of all the other described shift registers at different levels is connected with the signal input part of shift register described in next stage with the reset signal end of shift register described in upper level respectively; It is characterized in that, also comprise:
The repair signal line extended along the orientation of each described shift register of cascade and the first reference signal line;
Unit is repaired one to one with described shift register at different levels; Wherein, signal input part and described first reference signal line of each described reparation unit are mutually overlapping, and the described grid line that signal output part is corresponding with described shift register is mutually overlapping, signal control end and described repair signal line mutually overlapping; After the shift register gone wrong is repaired, the described reparation unit corresponding with the described shift register gone wrong, for described signal control end and described repair signal line the conducting of overlapping place, described signal input part and described first reference signal line in the conducting of overlapping place and described signal output part and described grid line after the conducting of overlapping place, under the control of described repair signal line, the first reference signal that described first reference signal line provides is loaded into described grid line.
2. grid integrated drive electronics as claimed in claim 1, it is characterized in that, each described reparation unit, comprising: switching transistor; Wherein,
The grid of described switching transistor is described signal control end, and source electrode is described signal input part, drains as described signal output part.
3. grid integrated drive electronics as claimed in claim 1, is characterized in that, before repairing the shift register gone wrong, meets one of following condition or combination:
The signal input part of each described reparation unit and described first reference signal line are at overlapping place mutually insulated;
The signal output part of each described reparation unit and described grid line are at overlapping place mutually insulated;
The signal control end of each described reparation unit and described repair signal line are at overlapping place mutually insulated.
4. grid integrated drive electronics as claimed in claim 1, is characterized in that, also comprise: the second reference signal line that the orientation along each described shift register of cascade extends;
Before repairing the shift register gone wrong, the signal input part of each described reparation unit and described first reference signal line are in the conducting of overlapping place; The signal output part of each described reparation unit and described grid line are in the conducting of overlapping place; The signal control end of each described reparation unit and described second reference signal line conducting, and with described repair signal line at overlapping place mutually insulated;
After repairing the shift register gone wrong, signal control end and described second reference signal line of the described reparation unit corresponding with the described shift register gone wrong disconnect, and with described repair signal line in the conducting of overlapping place.
5. the grid integrated drive electronics as described in claim 3 or 4, is characterized in that, described repair signal line and each described reparation unit are separately positioned on the side of the signal output part of each described shift register.
6. grid integrated drive electronics as claimed in claim 5, it is characterized in that, described repair signal line is one, and all exists overlapping with grid line described in each bar;
Described repair signal line is many, and repair signal line described in each bar is only with part, and described grid line exists overlapping.
7. grid integrated drive electronics as claimed in claim 5, it is characterized in that, described first reference signal line is arranged on the side of the signal output part of each described shift register, and with the signal input part except described reparation unit except other signal wires or port do not exist overlapping.
8. an array base palte, it is characterized in that, comprise: be arranged at least one group of the non-display area grid integrated drive electronics as described in any one of claim 1-7, and be arranged on viewing area with the signal output part grid line one to one of shift register at different levels in described grid integrated drive electronics.
9. a restorative procedure for array base palte as claimed in claim 8, is characterized in that, comprising:
Determine the shift register gone wrong in the grid integrated drive electronics of array base palte;
By the signal output part of the described shift register gone wrong respectively with the connection of corresponding grid line, with the connection of the reset signal end of upper level shift register and cut off with the connection of the signal input part of next stage shift register;
Determine the signal control end of the reparation unit corresponding with the described shift register gone wrong and repair signal line the conducting of overlapping place, signal input part and the first reference signal line in the conducting of overlapping place and signal output part and grid line in the conducting of overlapping place.
10. method as claimed in claim 9, is characterized in that, also comprise:
Determine that signal control end and second reference signal line of the reparation unit corresponding with the described shift register gone wrong disconnect.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610124267.0A CN105551423B (en) | 2016-03-04 | 2016-03-04 | A kind of grid integrated drive electronics, array substrate and its restorative procedure |
| US15/246,840 US10319282B2 (en) | 2016-03-04 | 2016-08-25 | Gate driving circuit, an array substrate and a method for recovering the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610124267.0A CN105551423B (en) | 2016-03-04 | 2016-03-04 | A kind of grid integrated drive electronics, array substrate and its restorative procedure |
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| CN105551423B CN105551423B (en) | 2018-06-29 |
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| WO2020082515A1 (en) * | 2018-10-23 | 2020-04-30 | 惠科股份有限公司 | Display substrate, display panel, and display device |
| CN114067713A (en) * | 2020-07-31 | 2022-02-18 | 京东方科技集团股份有限公司 | Display panel and display device |
| CN114442390A (en) * | 2022-03-21 | 2022-05-06 | 京东方科技集团股份有限公司 | Maintenance method of array substrate driving circuit, driving circuit and display device |
| CN115762420A (en) * | 2021-09-03 | 2023-03-07 | 乐金显示有限公司 | Gate driving circuit and display device including the same |
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| CN108010490B (en) * | 2017-11-29 | 2020-07-03 | 武汉华星光电半导体显示技术有限公司 | Driving circuit |
| CN110349547A (en) * | 2018-04-03 | 2019-10-18 | 群创光电股份有限公司 | Display device |
| CN113906492B (en) * | 2020-03-27 | 2023-04-28 | 京东方科技集团股份有限公司 | Gate driving circuit, driving method thereof and display panel |
| CN113870749A (en) * | 2021-09-27 | 2021-12-31 | 厦门天马显示科技有限公司 | Display panel, driving method thereof and display device |
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Also Published As
| Publication number | Publication date |
|---|---|
| US10319282B2 (en) | 2019-06-11 |
| CN105551423B (en) | 2018-06-29 |
| US20170256196A1 (en) | 2017-09-07 |
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